2008 GMC Canyon Owner's Manual - Page 132

Sunroof Your vehicle may have a sunroof. The sunroof control buttons are located on the headliner. Lift the lid from the center area to access the storage box. Q (Open/Vent): R (Close): Press and hold this button to vent, and open the sunroof. Release the button when the desired position is reached. Press and hold this button to close the sunroof. Release the button when the desired position is reached. The sunshade must be opened manually. 2-52